Washing machine



- 1,599,427 F. a MARBACH ET AL WASHING MACHINE I Filed March 5.

Sept. 14 1926;

awwemtozs F. G. MARE/2H PLP. NHRBHCH I l l l i I i l Patented Sept. 14, 1926.

mum]: Gh'M-ARBAQH AND MARTHA r. mutation, or Lmwoon, 01nd,

wnsnmo mourns.

Application filed Iarch.3, 1922. seriai'no. 540,733.

The primary object in the present invention is to p'rovide a washing machine or receptacle in which the water and the goods being washed may be continuously agitated by forcing air under pressure at localized areas through a substantial body or amount of water .in the receptacle, using a motordriven air pump operating at high speed for that purpose. A further object is embodied in the air-distributing means and the incorporation of such means in a cementwash tub or tray, and'in mounting a clothes wringer in a movable or slidable position upon the tub. or tray'and in operable connection with the motor used to drive the air pump, whereby Washing of the goods may take place in one tray section and rinsing and other operations may be successively carried on step by step with facilitv and despatch in the adjoining section of t e. tub or tray.

In the drawings accompanying this application, Fig. 1 is a reduced view of a wash tub or tray constructed according to our invention, and Fig. 2 is a front elevation, partly in section, of thesametub or tray. Fig. .3is a vertical cross section of the tray on line 3-3 of Fig. 2. Fig. 4 is a top view of a modified form of air distributing deto vice.

The invention comprises an elongated receptacle, tub or washtray 2, which is shown is molded of concrete and-made with two transverse division walls 3 and 4 to provide three separate washing compartments 5, 6 and respectively. The rear wall 8 is common to all these compartments and rises to a higher elevation than the division walls and supports the usual hotare also provided for these compartments which are connected up in any suitable way, not shown, and the structure so far de-' scribed is not considered new or novel.-

However, in building or assembling this structure it is our purpose to add or incororate an air distributln device within the bottom of one or more 0 the said compartments, and in Figs. 1 and 2,-we show a perforated sheet metal plate '11 embedded at its and cold water faucets 9.- Drain outlets 10 I smal edges withinthe concrete walls and resting. flat upon the concrete bottom. 12. This. plate forms a false bottom having relatively small perforations 13 communicating with a series of tapering grooves or channels 14 sta ped .55 or pressed in its bottom side and rad atmg or branching from a common air intake and valved pipe connection 15 at the rear side of the compartment, substantially as shown in compartment 5 in Fig. 1. However, in the adjacent rinsing compartment 6 thefalse bottom consists of a flat. erforated plate 16 resting upon raised portions-17 of the concrete bottom which in eflfect provides a shallow air distributing chamber 18 en- 5 tirely beneath the false bottom with which an air pipe '19 is connected and adapted to deliver air into compartment 6 in substantially the same way as in the first compartment 5, but ,over a larger area or in many 7 more localized places therein. The drain connections 10 are .open to the. spaces beneath the false bottoms, see Fig. 3, but these openings are plug ments are filled wit water as in operations. The last compartment 7 is preferably not equipped with an air distributing and delivery device, but in Fig. 4 we show a coil of' perforated pipe 20'which may be introduced in this compartment or any of the others and connected up to the air pump 21 located on a shelf 22 beneath the middle compartment 6.

As shown, air pump 21, has a pipe connection with both pi es 15 and 19, and it should be noted that hoth ipes extend. up wardly at the rear side of wall above the normal level of the body of-water therein and thence extend through thewall and l downwardly to the bottom of thecom artment so that the water is trapped an can not flow. back through these pipes to the pump, which may be of the rotary type or any other kind capable of producing a continuous' flow of air of six to eight cubic. feet per minute delivered through relatively pipes 15 and 19.

Pump 21 is driven by an electric motor 22 and. a clutch 23 which is adapted to be thrown-on and off by ahand lever 24 pivoted when the compartally mounted upon a bracket affixed to the front leg 25 ofthe supporting frame for the wash tray. Motor 22 is also arranged to operate a wringer 26 which is supported to slide upon the parallel upper edges of the rear and front walls of the wash tray, the operating connections between the motor and the wringer being located at the rear side of the tray. Thus, a clutch 27 is adapted to connect and disconnect the motor shaft from a separate motor shaft extension having a bevelgear 28 meshing with a bevel gear 29 upon the lower end of a telescopic extensible shaft 30. The upper and lower sections of shaft 30 are journaled in separate swiveled angle brackets 31 and 32, re spectively, and a bevel gear 33 for the upper shaft section meshes with a similar gear 34 at the rear end of horizontal shaft 35 carrying the upper rubber roller 36 of the wringer, see Fig. 3. Shaft 35 is journaled in and supported by a slidable bracket 37 which straddles the upper edge of rear wall 8 of the tray, and bracket 37 is adapted to be clamped rigidly in place, wherever shifted, by a thumb screw 38. In operations, the wringer is usually stationed directly above one or the other of the two division walls of the tray and may also be shifted to either end of the tray. The wringer comprises a pair of upright standards 40-41 joined by an inclined delivery board 39, said standards having curved overhanging ends within which shaft 35 has rotatable bearing. The base portion 42 of each standard is extended lengthwise to seat upon the upper fiat face of the cross walls of the tray, and a metal strap 43 also serves to unite the two standards rigidly to gether. A gravity catch 44 is swiveled in the base portion of the rear standard 41 to lock the wringer against movement when seated over one of the division walls 3, and the front standard 40 is also fastened in a stationary set position at these divisional places in the'tray by a pair of angular clamping bolts t545 having thumb nuts l6 exposed at the front side of the tray. Bolts 45 extend through perforated enlargements at the opposite ends of the relatively long foot portions 47 forming an integral part of front standard 40, and the clamping ends of each bolt 45 when drawn tight against the front inclined wall of the tray clamp the dependin flange 48 against said wall, see Fig. 5. 6n the other hand when the thumb nuts 46 are loosened, bolts 45 are free to swivel or turn and permit 'thegravity clamping ends to rideup and over the cross walls as the wriuger is shifted lengthwise of the tray.

in a washing operation the. goods ar'e first placed in compartment 5 which has been filled to asuitable height with water containing soap or any other cleansing agent,

'ceptacle.

and a cover 62 (Fig. 2) is placed over the compartment in close proximity to the surface of the water but spaced apart therefrom and the goods Within the water. The motor having been switched on it is only necessary then to throw in the pump clutch 23 whereupon a. continuous stream of air is pumped into the bottom of compartment 5 where it is compelled to pass upwardf through the Water Wherever liberated at the perforation 13. As a. result the water and goods are constantly agitated; the presence of the goods prevents the air from escaping on straight vertical lines through the water; the distribution of the air and the changing lines of force tend to move and shift the goods from place to place and to rub the folds of the goods together with frictional cleansing effect; foam and suds gather on the surface beneath the cover and the turbulent water disseminates it through thegoods appearing on the surface; and a ment 6 above wall 4- where the rinsed goods may be passed through the wringer into compartment 7 preliminary to drying operations, and in shifting the wringer the extensible shaft 30 at the rear telescopes and swings to different angles. Obviously, washing and rinsing operations in the separate compartments and the wringing of goods may also proceed simultaneously. That is to say, while a batch of goods is being washed in the first com artment, an other batch of goods may be undergoing a rinsing operation in the second compartment while the operator is passing rinsed goods through the wringer intothe third compartment.

For the subject matter illustrated and described but not claimed herein, see our (:0- pendiug application, Serial No. 666,928, filed Oct. (5, 1923.

What we claim, is:

1. A washing apparatus, comprising a receptacle having a bottom with spaced perforations therein through which air under pressure is vertically delivered into said receptacle, said perforations being symmetrically arranged and widely separated to create separate localized areas of pressure in a body of water contained within said re- 2. A washing apparatus, comprising a concrete receptacle having a series of air distributing passages incorporated in its bottom, and spaced openings in open communication with said air passages, and a valved pipe connected with said air pas- 5 sages, said air openings being symmetrically arranged and widely separated to create separate localized areas of pressure in a body ofwat'er Within said receptacle when air under pressure is delivered through'said openings.

In testimony whereof we afiix our signatures.

' FRANK G. MARBACH.

MARTHA P. MARBACH. 

